1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd800a39964f1b5e0b3c82b8f003d7bf5542150f904204a6ddb94ff71ab6082d3. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f4ddc8d5-f475-4262-abd3-9a360b5f58ad.json and https://artists.proofprofile.net/proofs/artist/f4ddc8d5-f475-4262-abd3-9a360b5f58ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
16bars Cyper (feat. Itaq, Nidra Assassin & Dumbperson)
{"copyright_id":"0x494bd2793eb6387c2dd977ae6a39cbf3cb0c9463c18311b2b2c111f6f2e1fd98","isrc":"TCJPQ2294489","name":"Shake Body","registered_at":"2026-06-24T11:01:10Z","spotify_id":"3skLV1JWYCxlPBNfeTavjC","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x494bd2793eb6387c2dd977ae6a39cbf3cb0c9463c18311b2b2c111f6f2e1fd98. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3skLV1JWYCxlPBNfeTavjC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3skLV1JWYCxlPBNfeTavjC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13462fdd8ca01a162953b2eae43714d74d3034f393dbd21a7d379a956372b697. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66Y1hFUVcfod6uzzYEeSQc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66Y1hFUVcfod6uzzYEeSQc.
Ninja Squad (feat. WAZGOGG) [from ”Call of Duty Mobile” Web CM]
Ninja Squad - from ”Call of Duty Mobile” Web CM
Ninja Squad (feat. WAZGOGG) [from "Call of Duty Mobile" Web CM]
Ninja Squad - from "Call of Duty Mobile" Web CM
{"copyright_id":"0x265a6aa3dd44d8a30962acdeece611e997558fe5753cc5ec0fcdbd486a4732bc","isrc":"TCJPY2325523","name":"Buzzer Beats (feat. bunTes)","registered_at":"2026-06-29T01:25:02Z","spotify_id":"0tS12c8KnSz68D5rPAegs1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x265a6aa3dd44d8a30962acdeece611e997558fe5753cc5ec0fcdbd486a4732bc. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0tS12c8KnSz68D5rPAegs1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0tS12c8KnSz68D5rPAegs1.
{"copyright_id":"0xb4bdac8058342ea0e6a581b2f5ce60ad9adb8f01c7ff64d534b64615ca77e5f1","isrc":"TCJPB2451099","name":"F**kin' Ghoul (feat. Ohkami)","registered_at":"2026-06-25T18:18:25Z","spotify_id":"0oq4uF7xs5WoWHTxjTHMUa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4bdac8058342ea0e6a581b2f5ce60ad9adb8f01c7ff64d534b64615ca77e5f1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0oq4uF7xs5WoWHTxjTHMUa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0oq4uF7xs5WoWHTxjTHMUa.
{"copyright_id":"0x4112f50ff3650ebabdfbe719a74f2df7a59cde431bd198303137feff5c2fa201","isrc":"TCJPB2456372","name":"ROUND Master (feat. peko & KennyDoes)","registered_at":"2026-06-24T10:52:41Z","spotify_id":"1J26OSrIYneu8yO8ucTxpw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4112f50ff3650ebabdfbe719a74f2df7a59cde431bd198303137feff5c2fa201. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1J26OSrIYneu8yO8ucTxpw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1J26OSrIYneu8yO8ucTxpw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141ec474caf4107613896076e9eff199b1514b05f9e19e0ae1f4386d1b12f381. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yK6HixHjl8REGKfQXjJeJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7yK6HixHjl8REGKfQXjJeJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596076a4b5ea529df73787758c5c50af0b6a49a7d5f3430cfdc27b23c7bc6c92. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3uCk3oQRz5gaLRrWfuOxop.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3uCk3oQRz5gaLRrWfuOxop.
{"copyright_id":"0x596076a4b5ea529df73787758c5c50af0b6a49a7d5f3430cfdc27b23c7bc6c92","isrc":"JPPO02402298","name":"Run Bam Bam","registered_at":"2026-06-07T07:21:26Z","spotify_id":"1rwMfYEmqOBQHsitXfyUiM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596076a4b5ea529df73787758c5c50af0b6a49a7d5f3430cfdc27b23c7bc6c92. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1rwMfYEmqOBQHsitXfyUiM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1rwMfYEmqOBQHsitXfyUiM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049a26def9032aba7b8dbf5a6df223501328711fa3c78bf42209d8e6ea9b7c4a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IqAGV9l2DpacOR6UBCdRP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IqAGV9l2DpacOR6UBCdRP.